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bfd/

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2004-07-19  H.J. Lu  <hongjiu.lu@intel.com>

	* bfd-in.h (dynamic_lib_link_class): Add DYN_NO_ADD_NEEDED and
	DYN_NO_NEEDED.
	(bfd_elf_get_dyn_lib_class): New prototype.
	* elf.c (bfd_elf_get_dyn_lib_class): New function.

	* elflink.c (elf_link_add_object_symbols): Check DYN_AS_NEEDED,
	DYN_DT_NEEDED and DYN_NO_NEEDED bits to see if a DT_NEEDED
	entry is needed. Issue an error if a DT_NEEDED entry is needed
	for a file marked DYN_NO_NEEDED.
	(elf_link_check_versioned_symbol): Check the DYN_DT_NEEDED bit
	for DT_NEEDED tags.

	* bfd-in2.h: Regenerated.

ld/

2004-07-19  H.J. Lu  <hongjiu.lu@intel.com>

	* emultempl/elf32.em (gld${EMULATION_NAME}_load_symbols): Also
	check the add_needed field.
	(dt_needed): New struct.
	(gld${EMULATION_NAME}_try_needed): Change the first argument
	to a pointer to struct dt_needed. Check the DYN_NO_ADD_NEEDED
	bit in the file where the DT_NEEDED entry comes from.
	(gld${EMULATION_NAME}_search_needed): Change the second
	argument to a pointer to struct dt_needed.
	(gld${EMULATION_NAME}_check_ld_so_conf): Updated.
	(gld${EMULATION_NAME}_after_open): Likewise.

	* ld.texinfo: Add --add-needed document.
	* ldlang.c (new_afile): Set p->add_needed.
	* ldlang.h (lang_input_statement_type): Add add_needed field.
	* ldmain.h (add_needed): Declare.
	* ldmain.c (add_needed): New global var.
	* lexsup.c (option_values): Add OPTION_ADD_NEEDED and
	OPTION_NO_ADD_NEEDED.
	(ld_options): Likewise.
	(parse_args): Handle them.
This commit is contained in:
H.J. Lu
2004-07-19 16:40:52 +00:00
parent 756d8c7093
commit e56f61be75
13 changed files with 179 additions and 23 deletions
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14
ld/lexsup.c
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@ -112,6 +112,8 @@ enum option_values
OPTION_SPLIT_BY_RELOC,
OPTION_SPLIT_BY_FILE ,
OPTION_WHOLE_ARCHIVE,
OPTION_ADD_NEEDED,
OPTION_NO_ADD_NEEDED,
OPTION_AS_NEEDED,
OPTION_NO_AS_NEEDED,
OPTION_WRAP,
@ -482,6 +484,12 @@ static const struct ld_option ld_options[] =
{ {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
'\0', NULL, N_("Include all objects from following archives"),
TWO_DASHES },
{ {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
'\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
"\t\t\t\tfollowing dynamic libs"), TWO_DASHES },
{ {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
'\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
"\t\t\t\tin following dynamic libs"), TWO_DASHES },
{ {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
'\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
TWO_DASHES },
@ -1196,6 +1204,12 @@ parse_args (unsigned argc, char **argv)
case OPTION_WHOLE_ARCHIVE:
whole_archive = TRUE;
break;
case OPTION_ADD_NEEDED:
add_needed = TRUE;
break;
case OPTION_NO_ADD_NEEDED:
add_needed = FALSE;
break;
case OPTION_AS_NEEDED:
as_needed = TRUE;
break;